STEAM RELEASE STANDING POUCH AND CONTENT-ENCLOSING STANDING POUCH

摘要

Provided are a steam release standing pouch, which has a structure in which the sealing portion is reliably peeled, and a content sealing standing pouch formed using the pouch. The steam release standing pouch has a first vapor passage portion. The distance between the inner edge of the tip of the vapor passage portion and the center of maximum expansion, which is the center of the portion where expansion is expected to be maximal, is shorter than either the distance between the inner edge of the first upper side portion and the center of maximum expansion or the distance between the inner edge of the first intermediate side portion and the center of maximum expansion.

主权项

1. A steam release free-standing container comprising a bag body and a bottom gusset, the steam release free-standing container having a widthwise direction and a height direction, wherein
the bag body has a side sealing portion, which is an end in the widthwise direction and has been subjected to a sealing process, and a sealable portion, which is an upper end in the height direction and has not been subjected to a sealing process, the bottom gusset has a gusset sealing portion, which is an end in the widthwise direction and is a lower end in the height direction and has been subjected to a sealing process, the side sealing portion has an upper side portion, a vapor passage portion, and an intermediate side portion and is formed continuously in order of the upper side portion, the vapor passage portion, and the intermediate side portion from the upper edge of the bag body, the vapor passage portion has a recessed portion recessed toward an inside of the bag body in the widthwise direction of the bag body, and a distance between an inner edge of the recessed portion of the vapor passage portion and a maximum expansion center, which is a center of a maximum expandable portion of the bag body is shorter than a distance between an inner edge of the upper side portion and the maximum expansion center and shorter than a distance between an inner edge of the intermediate side portion and the maximum expansion center.